38 lines
889 B
C
38 lines
889 B
C
typedef struct {
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CELL header;
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/* untagged */
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CELL capacity;
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} ARRAY;
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INLINE ARRAY* untag_array(CELL tagged)
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{
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type_check(ARRAY_TYPE,tagged);
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return (ARRAY*)UNTAG(tagged);
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}
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ARRAY* allot_array(CELL type, FIXNUM capacity);
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ARRAY* array(FIXNUM capacity, CELL fill);
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ARRAY* grow_array(ARRAY* array, FIXNUM capacity, CELL fill);
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ARRAY* shrink_array(ARRAY* array, FIXNUM capacity);
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#define AREF(array,index) ((CELL)(array) + sizeof(ARRAY) + (index) * CELLS)
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#define ASIZE(pointer) align8(sizeof(ARRAY) + \
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((ARRAY*)(pointer))->capacity * CELLS)
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/* untagged & unchecked */
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INLINE CELL array_nth(ARRAY* array, CELL index)
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{
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return get(AREF(array,index));
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}
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/* untagged & unchecked */
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INLINE void set_array_nth(ARRAY* array, CELL index, CELL value)
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{
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put(AREF(array,index),value);
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}
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void fixup_array(ARRAY* array);
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void collect_array(ARRAY* array);
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ARRAY* copy_array(ARRAY* array);
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